The megafactories processing (Cities: Skylines)

Does not work as written.
It is written that removes all the garbage from town is not true. He has limited power and range, that's just crazy. Yes, despite the fact, even if it is at the maximum budget reaches distant areas, it is still there accumulates a lot of garbage.
Other monuments around the city without any of the radii and limited volumes.
I only lost money in its construction, as conventional processing plants together are cheaper than one of him.
Why do you need it?